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THK Ball Spline Series

Ideal for mechanisms that perform linear motion while transmitting torque! Capable of high-speed movement and high-speed rotation!

The ball spline is a revolutionary linear motion system that allows torque transmission while a ball, incorporated into the spline nut, moves smoothly in a straight line along the rolling surface of a precisely ground spline shaft. Moreover, unlike conventional structures, it provides preload with a single spline nut, enabling high performance in harsh applications where vibrational shock loads are present, in areas requiring high precision positioning, and in situations demanding high-speed motion performance. Additionally, when used as a substitute for linear bushes, it has a rated load that is several times greater than that of the same shaft diameter, allowing for a compact design. This makes it usable even in cases where overhang loads and moments are applied, resulting in high safety and long lifespan.

basic information

[Classification of Ball Splines] There are three types of ball splines: high torque type, medium torque type, and rotary type, allowing for selection based on purpose. Additionally, each type offers a variety of spline nut shapes to choose from according to mounting and usage requirements. ▼ High Torque Type ○ Cylindrical Ball Spline (Medium Load Type) LBS Type ○ Cylindrical Ball Spline (Heavy Load Type) LBST Type ○ Flanged Ball Spline LBF Type ○ Flanged Ball Spline LBR Type ○ Square Ball Spline LBH Type ▼ Medium Torque Type ○ Cylindrical Ball Spline LT Type ○ Flanged Ball Spline LF Type ○ Miniature Ball Spline LT-X Type ▼ Rotary Type ○ Rotary Ball Spline LTR-A Type ○ Rotary Ball Spline LTR Type ○ Gear Ball Spline LBG Type ○ Gear Ball Spline LBGT Type

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Detailed information

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Since our establishment in 1987, we have provided various FA equipment tailored to our customers' needs. Now, as a member of the THK group, the world's leading manufacturer of linear motion systems, we have 18 sales locations across Japan, responding quickly and accurately to our customers' requests.